Patents by Inventor Yoichi Hayashi
Yoichi Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6805761Abstract: A magnetic disc cartridge includes a casing formed of upper and lower shell halves mated together, a disc-like recording medium supported for rotation in the casing and a liner fixed to each of the inner surfaces of the upper and lower shell halves by ultrasonic welding by use of an ultrasonic welding horn. The liner has an outer contour defined by an outer peripheral edge, a central opening defined by an inner peripheral edge, and a slit-like cutaway portion defined by a pair of linear edges extending between the outer peripheral edge and the inner peripheral edge. The ultrasonic welding horn is provided with a welding pattern in the form of a protrusion pattern formed on a welding face thereof over the entire welding area in which the ultrasonic welding horn is brought into contact with the liner, and the liner is welded to the inner surface of the shell half over the entire area of the liner along the welding pattern.Type: GrantFiled: December 26, 2000Date of Patent: October 19, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinichi Kato, Akira Mizuta, Yoichi Hayashi
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Publication number: 20040021096Abstract: To provide a winding appearance inspection device of a tape capable of gathering a line speed in an inspection process, as well as capable of inspecting a winding appearance of the tape wound on a roll body core, even in a reel having a flange formed in a roll body core (a roll body core). Winding appearance inspection device 10 serves as a device that evaluates the winding appearance of the tape such as film T or the like wound on roll body core H, comprising light projector 12 that irradiates a light along winding surface S of the tape such as film T or the like that at least partially passes near the roll body core H, and receiver 13 that receives the light.Type: ApplicationFiled: May 28, 2003Publication date: February 5, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yoichi Hayashi, Nobuyuki Tada
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Publication number: 20040004729Abstract: An inspection device of a tape reel comprises a first inspection device 10 consisting of a light projector 11, a mirror 12, and a light receiver 13, a second inspection device 20 consisting of a light projector 21, a mirror 22, and a light receiver 23, and a rotator 30 that rotates a tape reel 40, and parallel lights R1, R2 irradiated from the light projector 11 are reflected by the mirror 12, to be made incident on inner surfaces of flanges 42, 43 of the tape reel 40, whereas parallel lights R3, R4 irradiated from the light projector 21 are reflected by the mirror 22 to be made incident on the inner surfaces of the flanges 42, 43 of the tape reel 40, and parallel lights R1 to R4 that pass the inner surfaces of the flanges 42, 43 are received by the light receiver 13 or the light receiver 23.Type: ApplicationFiled: June 24, 2003Publication date: January 8, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Yoichi Hayashi
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Patent number: 6655625Abstract: A magnetic tape cartridge comprises: a cartridge case including an opening portion, an upper cartridge and a lower cartridge, the upper cartridge having a supporting shaft; a reel, around which a magnetic tape can be wound, accommodated in the cartridge case, wherein the magnetic tape can be drawn out from the opening portion of the cartridge case; a lid pivotably attached to the supporting shaft in order to open and close the opening portion; and a lid spring being a torsion coil spring having a coil portion through which the lid spring is attached to the supporting shaft so as to urge the lid to close the opening portion. In the magnetic tape cartridge, it is preferable that the coil portion is a compressive spring.Type: GrantFiled: February 13, 2002Date of Patent: December 2, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Publication number: 20030189124Abstract: In the tape winder for winding a tape on a reel to form a tape roll, a nozzle which blows a gas toward an outer peripheral surface of the tape roll at a winding time of the tape is fixed on a slider, which is slidably supported on a rail. In this way, the nozzle is supported movably forward and backward with respect to the tape roll. Moreover, the nozzle is pressed toward the tape roll by an air cylinder with a constant pressing force. Thus, the nozzle is allowed to accurately follow an outer peripheral surface of the tape roll, and a constant pressure can be applied to the outer peripheral surface of the tape roll. Consequently, the tape can be wound with an adequate winding tightness.Type: ApplicationFiled: April 2, 2003Publication date: October 9, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yoichi Hayashi, Akihisa Kita, Kyohisa Uchiumi
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Patent number: 6519827Abstract: In the method and apparatus for assembling a magnetic tape cartridge, a plurality of assembling stations, each of which includes an assembling robot 130 for assembling the respective parts of a magnetic tape cartridge 1, respectively comprise pallet delivery mechanism 135 capable of delivering sequentially a pallet 200 on which an upper cases 2a can be placed.Type: GrantFiled: March 21, 2001Date of Patent: February 18, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoichi Hayashi, Akira Mizuta
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Patent number: 6488223Abstract: A magnetic tape cartridge comprises: a cartridge case including an opening portion, an upper cartridge and a lower cartridge, the upper cartridge having a supporting shaft; a reel, around which a magnetic tape can be wound, accommodated in the cartridge case, wherein the magnetic tape can be drawn out from the opening portion of the cartridge case; a lid pivotably attached to the supporting shaft in order to open and close the opening portion; and a lid spring being a torsion coil spring having a coil portion through which the lid spring is attached to the supporting shaft so as to urge the lid to close the opening portion. In the magnetic tape cartridge, it is preferable that the coil portion is a compressive spring.Type: GrantFiled: August 18, 2000Date of Patent: December 3, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Patent number: 6424491Abstract: A magnetic tape cartridge has a reel which includes an upper reel and a lower reel which are plastic moldings, the lower reel being welded to the upper reel by ultrasonic welding. In the shoulder of a boss section of the upper reel, a plurality of recesses are formed in such a manner that the recesses are radially outwardly extended from the center of rotation of the upper reel, and on the surface of the lower reel which are confronted with the recesses, a plurality of welding ribs are formed so as to be engaged with the bottoms of the recesses.Type: GrantFiled: January 2, 2002Date of Patent: July 23, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Publication number: 20020084372Abstract: A magnetic tape cartridge comprises: a cartridge case including an opening portion, an upper cartridge and a lower cartridge, the upper cartridge having a supporting shaft; a reel, around which a magnetic tape can be wound, accommodated in the cartridge case, wherein the magnetic tape can be drawn out from the opening portion of the cartridge case; a lid pivotably attached to the supporting shaft in order to open and close the opening portion; and a lid spring being a torsion coil spring having a coil portion through which the lid spring is attached to the supporting shaft so as to urge the lid to close the opening portion. In the magnetic tape cartridge, it is preferable that the coil portion is a compressive spring.Type: ApplicationFiled: February 13, 2002Publication date: July 4, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Yoichi Hayashi
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Publication number: 20020051314Abstract: A magnetic tape cartridge has a reel which comprises an upper reel and a lower reel which are plastic moldings, the lower reel being welded to the upper reel by ultrasonic welding. In the shoulder of a boss section of the upper reel, a plurality of recesses are formed in such a manner that the recesses are radially outwardly extended from the center of rotation of the upper reel, and on the surface of the lower reel which are confronted with the recesses, a plurality of welding ribs are formed so as to be engaged with the bottoms of the recesses.Type: ApplicationFiled: January 2, 2002Publication date: May 2, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Yoichi Hayashi
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Patent number: 6349015Abstract: A magnetic tape cartridge has a reel which includes an upper reel and a lower reel which are plastic moldings, the lower reel being welded to the upper reel by ultrasonic welding. In the shoulder of a boss section of the upper reel, a plurality of recesses are formed in such a manner that the recesses are radially outwardly extended from the center of rotation of the upper reel, and on the surface of the lower reel which are confronted with the recesses, a plurality of welding ribs are formed so as to be engaged with the bottoms of the recesses.Type: GrantFiled: August 14, 1998Date of Patent: February 19, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Patent number: 6152350Abstract: It is an object of the invention to provide a method and a device which can manufacture, by ultrasonic welding, a reel for use in a magnetic tape cartridge with an improved yield rate, while not only restricting the deformation of workpieces but also preventing the products from varying in quality. At least one of the amplitude of an oscillator power source 80 and pressure to be applied to workpieces in an ultrasonic welding operation are set high in the early stage of the ultrasonic welding operation and are then switched into lower levels in the middle of the ultrasonic welding operation when the workpieces, that is, upper and lower reels 4 and 5, begin to melt together.Type: GrantFiled: June 18, 1998Date of Patent: November 28, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoichi Hayashi, Shinji Watanabe
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Patent number: 5718632Abstract: A recording medium, a method of loading games program code, and a games machine is provided. The recording medium has a program code relating to an auxiliary game and a program code relating to a main game. The size of the auxiliary game program code is small compared to the size of the main-game program code, and the relationship between the auxiliary game program code and the main-game program code is such that the auxiliary game program code is loaded first, before the main game program code. Unnecessary wastage of time can be prevented by first loading the smaller, auxiliary game program code into the games machine, before the main-game program code is loaded, then loading the main-game program code while the auxiliary game is running.Type: GrantFiled: November 27, 1995Date of Patent: February 17, 1998Assignee: Namco Ltd.Inventor: Yoichi Hayashi
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Patent number: 5674446Abstract: A method and apparatus for extracting a molded product wherein the molded product, specifically, a shutter molded of a synthetic resin with a very small thickness, from an injection molding die at a high speed without malfunction or deformation of the molded product. The apparatus includes as essential components an opposing pair of chucking members for supplementarily supporting a molded product in the clamped state while restrictively locating it at a predetermined position, and a suction pad located in alignment with the predetermined position of the molded product for grasping the latter by the action of suction. In an alternate embodiment, two chuck arms having respective suction pads at their ends are moved into contact with the shutter from opposite sides. With the invention the molded product can completely be extracted from an injection molding die in cooperation of the chucking members with the suction pad.Type: GrantFiled: February 9, 1995Date of Patent: October 7, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoichi Hayashi, Iwao Komaki
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Patent number: 5417914Abstract: A method and apparatus for extracting a molded product wherein the molded product, specifically, a shutter molded of a synthetic resin with a very small thickness, from an injection molding die at a high speed without malfunction or deformation of the molded product. The apparatus includes as essential components an opposing pair of chucking members for supplementarily supporting a molded product in the clamped state while restrictively locating it at a predetermined position, and a suction pad located in alignment with the predetermined position of the molded product for grasping the latter by the action of suction. In an alternate embodiment, two chuck arms having respective suction pads at their ends are moved into contact with the shutter from opposite sides. With the invention the molded product can completely be extracted from an injection molding die in cooperation of the chucking members with the suction pad.Type: GrantFiled: November 10, 1992Date of Patent: May 23, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoichi Hayashi, Iwao Komaki
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Patent number: 5382156Abstract: A molded product extraction apparatus in which a molded product formed using an injection molding process is extracted from a mold while being sandwiched. Surface portions for contacting the molded product are provided on the forward ends of a pair of opposite chuck arms disposed so as to be movable relative to each other to thereby hold the molded product, and elastic members of silicone foam rubber including continuous bubbles connected with each other are formed inside the surface portions. With the invention, it is possible to extract a molded product from a mold at a high speed without deforming the molded product.Type: GrantFiled: September 28, 1993Date of Patent: January 17, 1995Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Patent number: 5364583Abstract: An injection molded piece is removed from a mold by thrust pins. A jet of fluid is directed toward a surface of the piece during removal so as to hold the piece in a proper position on the thrust pins without damaging the piece.Type: GrantFiled: February 17, 1993Date of Patent: November 15, 1994Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi
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Patent number: 5301258Abstract: A fuzzy backward reasoning system which includes a memory section for storing a causality table having n.times.m elements, a first generating section for reading out the causality table from the memory section and generating basic and auxiliary matrix tables and an input effect matrix table, a second generating section for generating a minimum matrix table and a third generating section for generating from the basic and auxiliary tables a check matrix table. The invention further includes a modifying section for modifying the checking matrix table to selectively reset each flag therein in accordance with corresponding elements of the basic and minimum matrix tables and a fourth generating section for generating from elements having the flags set of the checking matrix table and the basic and minimum matrix tables a cause matrix table, wherein cause matrix table element interval data represents a certainty of a corresponding cause.Type: GrantFiled: January 4, 1993Date of Patent: April 5, 1994Assignee: Hitachi, Engineering Corp, Ltd.Inventor: Yoichi Hayashi
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Patent number: 5263123Abstract: A system for controlling a target apparatus includes a supplying section, a reasoning section, and a control section. The supplying section supplies n states of the target apparatus (n.gtoreq.2 and an integer). The reasoning section receives the n sensed states as n results from the supplying section and performs fuzzy backward reasoning for data representing the n results and causality data to generate certainties of m causes (m.gtoreq.2 and an integer). The control section controls the target apparatus in accordance with the certainties of the causes.Type: GrantFiled: March 11, 1991Date of Patent: November 16, 1993Assignee: Hitachi Engineering Co., Ltd.Inventor: Yoichi Hayashi
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Patent number: 5231622Abstract: A floppy disk has a magnetic disk (1) accommodated in a casing provided with a head insertion opening. When cleaning the floppy disk, air in the casing is sucked through the head insertion opening while the magnetic disk is rotated and ionized air is blown toward the disk surface through the head insertion opening. An ionizing needle (13) ionizes the air before it hits the disc (1). Suction nozzles (12a and 12b) suck air away from the disc.Type: GrantFiled: February 7, 1992Date of Patent: July 27, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoichi Hayashi